netdev - Re: [PATCH 1/3] [TCP]: Fix two off-by-one errors in fackets

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Date:	Sun, 07 Oct 2007 23:36:58 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	ilpo.jarvinen@...sinki.fi
Cc:	legoater@...e.fr, netdev@...r.kernel.org
Subject: Re: [PATCH 1/3] [TCP]: Fix two off-by-one errors in fackets_out
 adjusting logic

From: "Ilpo_Järvinen" <ilpo.jarvinen@...sinki.fi>
Date: Wed,  3 Oct 2007 14:00:16 +0300

> 1) Passing wrong skb to tcp_adjust_fackets_out could corrupt
> fastpath_cnt_hint as tcp_skb_pcount(next_skb) is not included
> to it if hint points exactly to the next_skb (it's lagging
> behind, see sacktag).
> 
> 2) When fastpath_skb_hint is put backwards to avoid dangling
> skb reference, the skb's pcount must also be removed from count
> (not included like above).
> 
> Reported by Cedric Le Goater <legoater@...e.fr>
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>

Applied, thanks Ilpo.
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